Groin - Definition

n 1: the crease at the junction of the inner part of the thigh
with the trunk together with the adjacent region and often
including the external genitals [syn: groin, inguen]
2: a curved edge formed by two intersecting vaults
3: a protective structure of stone or concrete; extends from
shore into the water to prevent a beach from washing away
[syn: breakwater, groin, groyne, mole, bulwark,
seawall, jetty]
v 1: build with groins; "The ceiling was groined"